Architecture and Abilities
OSE uses events (named signals due to ENEA's telecom background) in the form of messages passed to and from processes in the system. Messages are stored in a queue attached to each process. A 'link handler' mechanism allows signals to be passed between processes on separate machines, over a variety of transports. The OSE signalling mechanism formed the basis of an open-source inter-process kernel design project called LINX.
- Fault tolerant, distributed architecture
- Modular, layered microkernel architecture
- Event-driven, deterministic real-time response
- Asynchronous direct message-passing model
- Scalable hybrid multicore solution exploiting the advantages from both SMP and AMP models
- Memory protected
- Centralized error handling and remediation
- Built-in task (process) monitoring and failure detection
- Dynamic, run-time program loading
- Power management with low-power sleep mode
- Demand paging support for optimizing RAM usage
- Comprehensive networking/security support
- Multiple file system choices including crash-safe, journaling file system
- Distributed system-level simulation
- Run Mode Monitor (RMM) for remote monitoring, tracing, profiling, and debugging
- Optima, an Eclipse-based integrated development environment and tools suite
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